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Mirrors > Home > ILE Home > Th. List > elfz2 | Unicode version |
Description: Membership in a finite
set of sequential integers. We use the fact that
an operation's value is empty outside of its domain to show ![]() ![]() ![]() ![]() ![]() ![]() |
Ref | Expression |
---|---|
elfz2 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | anass 401 |
. 2
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2 | df-3an 980 |
. . 3
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3 | 2 | anbi1i 458 |
. 2
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4 | df-fz 10003 |
. . . 4
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5 | 4 | elmpocl 6064 |
. . 3
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6 | simpl 109 |
. . 3
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7 | elfz1 10007 |
. . . 4
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8 | 3anass 982 |
. . . . 5
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9 | ibar 301 |
. . . . 5
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10 | 8, 9 | bitrid 192 |
. . . 4
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11 | 7, 10 | bitrd 188 |
. . 3
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12 | 5, 6, 11 | pm5.21nii 704 |
. 2
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13 | 1, 3, 12 | 3bitr4ri 213 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 614 ax-in2 615 ax-io 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-14 2151 ax-ext 2159 ax-sep 4119 ax-pow 4172 ax-pr 4207 ax-setind 4534 ax-cnex 7897 ax-resscn 7898 |
This theorem depends on definitions: df-bi 117 df-3or 979 df-3an 980 df-tru 1356 df-fal 1359 df-nf 1461 df-sb 1763 df-eu 2029 df-mo 2030 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ne 2348 df-ral 2460 df-rex 2461 df-rab 2464 df-v 2739 df-sbc 2963 df-dif 3131 df-un 3133 df-in 3135 df-ss 3142 df-pw 3577 df-sn 3598 df-pr 3599 df-op 3601 df-uni 3809 df-br 4002 df-opab 4063 df-id 4291 df-xp 4630 df-rel 4631 df-cnv 4632 df-co 4633 df-dm 4634 df-iota 5175 df-fun 5215 df-fv 5221 df-ov 5873 df-oprab 5874 df-mpo 5875 df-neg 8125 df-z 9248 df-fz 10003 |
This theorem is referenced by: elfz4 10011 elfzuzb 10012 uzsubsubfz 10040 fzmmmeqm 10051 fzpreddisj 10064 elfz1b 10083 fzp1nel 10097 elfz0ubfz0 10118 elfz0fzfz0 10119 fz0fzelfz0 10120 fz0fzdiffz0 10123 elfzmlbp 10125 fzind2 10232 iseqf1olemqcl 10479 iseqf1olemnab 10481 iseqf1olemab 10482 seq3f1olemqsumkj 10491 seq3f1olemqsumk 10492 summodclem2a 11380 fsum3 11386 fsum3cvg3 11395 fsumcl2lem 11397 fsumadd 11405 fsummulc2 11447 prodmodclem3 11574 prodmodclem2a 11575 fprodntrivap 11583 fprodeq0 11616 isprm5 12132 |
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